Filipino contender Sylvester Lopez (24-2-1, 12KOs) is sparring hard to prepare for his title opportunity against WBC super flyweight champion Yota Sato (24-2-1, 12KOs) on July 8th at the Bunka Gym in Yokohama, Japan. Lopez is sparring with Froilan Saludar at the Elorde Boxing Gym in Parañaque City.